/** Safely disconnects this ClientHandler from the Server */
public void disconnect() {
try {
pool.removeFromAllQueues(this);
if (game != null) {
game.endGame(false); // End the game the client was in.
}
reader.close();
writer.close();
client.close();
System.out.println("[Server] Debug (ClientHandler) - Client has disconnected.");
pool.removeClient(name);
connected = false;
} catch (IOException e) {
e.printStackTrace();
}
}
public void stopTFS() throws Exception {
mClientPool.close();
mWorker.stop();
for (int k = 0; k < mNumOfMasters; k++) {
mMasters.get(k).stop();
}
mCuratorServer.stop();
}
public void stopTFS() throws Exception {
mClientPool.close();
mWorker.stop();
if (LineageUtils.isLineageEnabled(WorkerContext.getConf())) {
mLineageWorker.stop();
}
for (int k = 0; k < mNumOfMasters; k++) {
mMasters.get(k).stop();
}
mCuratorServer.stop();
}
@Override
public void run() {
System.out.println("Server is running on port 8080");
while (!shutdown) {
try {
Socket clientSocket = serverSocket.accept();
Request request = new Request(clientSocket);
// check if admin has issued a shutdown command
shutdown = request.isShutdown();
if (shutdown == false) {
ClientFuture future = clientThreadPool.submit(request, new ClientCallback());
}
} catch (Exception e) {
System.out.println("505..server has stopped running");
e.printStackTrace();
}
}
// kill all any open client connection
killClientConnections();
System.out.println("Server is shutdown");
}
/**
* parses a message
*
* @param message is a String array
*/
public void parse(String[] message) {
switch (message[0]) {
case IProtocol.CLIENT_IDENTIFY:
if (message.length < 1) {
break;
}
String userName = message[1];
try {
pool.addClient(name, this);
name = userName;
sendRaw(IProtocol.SERVER_IDENTIFY);
} catch (InvalidNameException e) {
sendError(IProtocol.Error.NAME_INVALID.ordinal() + " Invalid name");
} catch (UsedNameException e) {
sendError(IProtocol.Error.NAME_USED.ordinal() + " Name is already in use");
}
break;
case IProtocol.CLIENT_QUIT:
disconnect();
break;
case IProtocol.CLIENT_MOVE_PUT:
if (game == null) {
break;
}
if (game.getTurnClient().equals(this)) {
doMovePut(Arrays.copyOfRange(message, 1, message.length));
} else {
sendError(IProtocol.Error.ILLEGAL_STATE.ordinal() + " It is not your turn");
}
break;
case IProtocol.CLIENT_MOVE_TRADE:
if (game == null) {
break;
}
if (game.getTurnClient().equals(this)) {
doMoveTrade(Arrays.copyOfRange(message, 1, message.length));
} else {
sendError(IProtocol.Error.ILLEGAL_STATE.ordinal() + " It is not your turn");
}
break;
case IProtocol.CLIENT_QUEUE:
if (message.length < 1) {
break;
} else if (game != null) {
sendError(
IProtocol.Error.ILLEGAL_STATE.ordinal()
+ " You cannot queue while you are in a game");
break;
}
String[] queues = message[1].split(",");
try {
for (String queue : queues) {
try {
int queueSize = Integer.parseInt(queue);
pool.addClientToQueue(this, queueSize);
} catch (NumberFormatException e) {
System.out.println("Player tried to join invalid queue.");
}
}
sendRaw(IProtocol.SERVER_QUEUE);
} catch (NumberFormatException e) {
sendRaw(String.valueOf(IProtocol.Error.QUEUE_INVALID));
}
break;
default:
sendRaw(
String.valueOf(
IProtocol.Error.INVALID_COMMAND.ordinal()
+ " The server does not recognise this command"));
break;
}
}
public TachyonFileSystem getClient() throws IOException {
return mClientPool.getClient(MasterContext.getConf());
}
public void clearClients() throws IOException {
mClientPool.close();
mOldClientPool.close();
}
/**
* Stop waiting for connections, close all connected clients, and close this server's {@link
* ServerSocket}.
*
* @throws IOException if any socket is invalid.
*/
public void kill() throws IOException {
_running = false;
_clients.killall();
_botSocket.close();
_socket.close();
}
public synchronized TachyonFileSystem getClient() throws IOException {
return mClientPool.getClient(mMasterConf);
}
public synchronized TachyonFileSystem getClient() throws IOException {
return mClientPool.getClient(ClientContext.getConf());
}
/**
* @return the client from the pool
* @throws IOException if the client cannot be retrieved
*/
public FileSystem getClient() throws IOException {
return mClientPool.getClient();
}
private void killClientConnections() {
System.out.println("Killing all open client connections");
if (clientThreadPool != null) {
clientThreadPool.shutdown();
}
}
